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प्रश्न
Genetic recombination occurs in ______ phase of prophase of meiosis-I.
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उत्तर
Genetic recombination occurs in pachytene phase of prophase of meiosis-I.
Explanation:
Genetic recombination occurs when genetic material is exchanged between two different chromosomes or between different regions within the same chromosome.
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संबंधित प्रश्न
Fill in the blank and explain the statement.
For formation of plasma membrane, ____________ molecules are necessary.
With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.
Define the following:
Karyokinesis
The diagram given alongside represents a stage in cell division.
Study the same and answer the questions that follow:
(i) Identify the stage of cell division.
(ii) Name the parts labeled A,B,C and D.
(iii) What is the unique feature observed in this stage?
(iv) Where does this type of cell division usually occur?
(v) How many daughter cells are formed from this type of cell division?
(vi) Is the dividing cell shown a plant or an animal cell?
Give a reason to support your answer.
In which one of the following options the two stages of mitosis have been given in correct sequence?
The figure below shows a certain stage of mitosis:
(i) Name the stage,
(ii) Label the parts 1 to 4
(iii) How many chromosomes are shown here?
Draw a well-labelled diagram to show the anaphase stage of mitosis in plant cells having four chromosomes.
Name the Following
The stage when chromosomes arrange at the equator.
Name the Following
Name the stage during which nuclear membrane and nucleoli reappear.
Name the Following
Nuclear envelope and nucleoli reappear in which stage.
Give Technical Terms
The stage in mitosis when the nucleolus starts disappearing.
Give Technical Terms
The stage at which spindle fibres begin to be formed.
Complete the following sentence with appropriate word :
______means the splitting of the nucleus.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The alkaloid colchicine inhibits the formation of the mitotic spindle.
Multiple Choice Question:
The nuclear membrane and nucleolus become indistinguishable during
The diagram given below represents a stage in mitosis.
- Identify the stage given above.
- Give one reason to support your answer in (a).
- Mention the number of chromosomes given in the diagram.
Name these:
Two steps of the process Mitosis
